The M272 E 35 power unit was the evolution of the Mercedes V6 and was supposed to replace the M112 E32 and M112 E37. In addition to the 3.5-liter engine, the lineup includes the 2.5-liter M272 E25 and the 3.0-liter M272 E30. The development of the 272 series was carried out on the basis of the M112, which includes an aluminum BC with a camber of 90 degrees and 106 mm between the cylinders. Silumin steel piston liners with a diameter of 92.6 mm. And the new crankshaft received 86 mm of travel. The pistons and forged connecting rods are somewhat lighter.
Specifications
| Manufacturer | Stuttgart-Bad Cannstatt Plant |
| Also called | M272 |
| Production years | 2004-2013 |
| Cylinder block alloy | aluminum |
| Fuel system | injector |
| Configuration | V |
| Number of cylinders | 6 |
| Valves per cylinder | 4 |
| Piston stroke, mm | 86 |
| Cylinder bore, mm | 92.9 |
| Compression ratio | 10.7 12.2 11.7 |
| Displacement, cc | 3498 |
| Power output, hp | 258/6000 272/6000 292/6400 305/6500 316/6500 |
| Torque output, Nm / rpm | 340/2500 350/2400 365/3000 360/4900 |
| Fuel type | 95 |
| Euro standards | Euro 6 |
| Weight, kg | — |
| Fuel consumption, L/100 km (for E350 W212) — city — highway — combined |
13.8 7.3 9.7 |
| Oil consumption, gr/1000 km | up to 800 |
| Recommended engine oil | 0W-30 / 0W-40 / 5W-30 / 5W-40 |
| Engine oil capacity, liter | 8.0 |
| Amount of engine oil for replacement, liter | ~7.5 |
| Oil change interval, km | 10000 |
| Normal engine operating temperature, °C | ~90 |
| Engine lifespan, km — official information — real |
— 300+ |
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